How to Make Garlic and Leek Bread Casserole Without Eggs

You can make a savory garlic and leek bread casserole without eggs. Instead of an egg custard, use a modest amount of vegetable broth and cream to moisten dried bread cubes, then bake until the center is hot and the top is golden. Expect a looser, stuffing-like texture rather than a firm sliceable strata.

Ingredients for one 9-by-13-inch pan

• 8 cups lightly dried 1-inch cubes of sturdy sourdough or country bread
• 2 large leeks, white and light-green parts thoroughly cleaned and sliced
• 1 head roasted garlic, cloves squeezed out and lightly mashed
• 1¼ cups low-sodium vegetable broth
• ¾ cup half-and-half or unsweetened plain cooking cream
• 2 tablespoons olive oil or unsalted butter
• 1 teaspoon fresh thyme leaves (or ½ teaspoon dried)
• Freshly ground black pepper and salt to taste
• Optional: 1 tablespoon cornstarch whisked into cold broth for a slightly more cohesive center

Select a bread that absorbs moisture without falling apart. Our comparison of bread types for leek casserole explains the texture differences.

Step-by-step egg-free method

1. Preheat the oven to 375°F (190°C). Lightly grease a 9-by-13-inch baking dish.
2. Prepare the bread: if fresh, spread the cubes on a sheet pan and dry briefly in the warming oven until the edges feel firmer, not browned.
3. Soften the leeks: cook the cleaned slices in the oil or butter over medium-low heat for about 8–12 minutes until tender. Avoid browning them heavily.
4. Mix the liquid: blend the roasted garlic into the broth and cream. Whisk in cornstarch first if using; season after tasting the broth.
5. Combine: toss bread, leeks and thyme in the baking dish, pour the liquid evenly and let stand about 10 minutes for absorption.
6. Bake: cover loosely with foil for roughly 20 minutes; uncover and continue about 15–20 minutes until hot all the way through with browned crisp edges. Ovens vary; check the center with a food thermometer.
7. Rest: allow 5–10 minutes before serving so the moist bread settles.

Why does it hold together without eggs?

It does not set like a custard. The bread absorbs broth and cream, while starches thicken and neighboring cubes knit together loosely as the moisture redistributes. Added cornstarch can increase cohesion, but the final texture remains closer to baked stuffing than to breakfast strata.

How to keep it from becoming soggy

Drain the leeks after cooking if they release a lot of liquid. Dry very soft bread before adding broth. Avoid pouring additional liquid until the bread has had a few minutes to soak; the right amount depends on your loaf. If the dish looks wet at the end, return it uncovered to the oven for a short interval rather than immediately serving a watery center.

Make ahead, storage and reheating

You can chop and dry bread, clean leeks and roast garlic ahead. For best texture, refrigerate the cooked leeks and liquids separately and combine shortly before baking. Refrigerate leftovers promptly in shallow containers and use within 3–4 days. Reheat leftovers thoroughly to 165°F, as described in the FDA food-safety temperature chart.

Frequently asked questions

Can this be made dairy-free too?

Yes. Use olive oil instead of butter and an unsweetened plant-based cooking cream or more broth, but a thinner liquid may produce a less rich, softer bake.

Can I use a baguette?

Yes, though its crust may need extra soaking time. Keep the cubes reasonably uniform.

Is this the same as egg-free stuffing?

It’s similar in texture and technique, but the roast garlic and silky leeks are central to the flavor. It can be served as a side dish.

Where can I find the version with eggs?

See our original garlic and leek bread casserole for the custard-style approach.